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Role of wild ruminants in the epidemiology of bluetongue virus serotypes 1, 4 and 8 in Spain
García Bocanegra, Ignacio
Arenas Montes, Antonio
Lorca Oró, Cristina (Fundació Centre de Recerca en Sanitat Animal)
Pujols i Romeu, Joan (Fundació Centre de Recerca en Sanitat Animal)
González, Miguel Ángel
Napp, Sebastian (Fundació Centre de Recerca en Sanitat Animal)
Gómez Guillamón, Félix
Zorrilla, Irene
San Miguel, Elena
Arenas Montes, Antonio

Date: 2011
Abstract: Although the importance of wild ruminants as potential reservoirs of bluetongue virus (BTV) has been suggested, the role played by these species in the epidemiology of BT in Europe is still unclear. We carried out a serologic and virologic survey to assess the role of wild ruminants in the transmission and maintenance of BTV in Andalusia (southern Spain) between 2006 and 2010. A total of 473 out of 1339 (35. 3%) wild ruminants analyzed showed antibodies against BTV by both ELISA and serum neutralization test (SNT). The presence of neutralizing antibodies to BTV-1 and BTV-4 were detected in the four species analyzed (red deer, roe deer, fallow deer and mouflon), while seropositivity against BTV-8 was found in red deer, fallow deer and mouflon but not in roe deer. Statistically significant differences were found among species, ages and sampling regions. BTV RNA was detected in twenty-one out of 1013 wild ruminants (2. 1%) tested. BTV-1 and BTV-4 RNA were confirmed in red deer and mouflon by specific rRT-PCR. BTV-1 and BTV-4 seropositive and RNA positive wild ruminants, including juveniles and sub-adults, were detected years after the last outbreak was reported in livestock. In addition, between the 2008/2009 and the 2010/2011 hunting seasons, the seroprevalence against BTV-1, BTV-4 and BTV-8 increased in the majority of provinces, and these serotypes were detected in many areas where BTV outbreaks were not reported in domestic ruminants. The results indicate that wild ruminants seem to be implicated in the dissemination and persistence of BTV in Spain.
Note: Número d'acord de subvenció INIA/FAU2008-00019-C03-01
Rights: Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial i la comunicació pública de l'obra, sempre que no sigui amb finalitats comercials, i sempre que es reconegui l'autoria de l'obra original. No es permet la creació d'obres derivades. Creative Commons
Language: Anglès
Document: article ; publishedVersion
Published in: Veterinary research, Vol. 42, N. 88 (July 2011) , p. 1-7, ISSN 1297-9716

DOI: 10.1186/1297-9716-42-88
PMID: 21781340


7 p, 840.3 KB

The record appears in these collections:
Research literature > UAB research groups literature > Research Centres and Groups (scientific output) > Health sciences and biosciences > Centre de Recerca en Sanitat Animal (CReSA-IRTA)
Articles > Published articles

 Record created 2013-11-12, last modified 2020-10-02



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